eSIM guides
Every eSIM article on the FlightSIM blog, newest first.
What 'Separate Tickets' Means on a Connecting Flight
A comparison site flags your itinerary as separate tickets because it's two bookings stitched together, not one. Here's exactly what protection that gives up.
Stuck on the Tarmac: What the Airline Owes You Before the Gate
What an airline owes you while the plane sits on the tarmac depends on where you fly from. As of 2026: US, Canadian, EU and UK rules and where to check them.
UK261 or EU261: Which One Applies to Your Specific Flight?
A UK carrier out of an EU airport, or the reverse, can fall under either regime or both. As of 2026, here's the decision tree, checked against each regulator.
When to Activate Your eSIM: Takeoff, Mid-Flight, or Landing
Installing an eSIM and switching its line on are two different steps. The right moment for each depends on where you are in the flight sequence.
Which Airlines Give Free Onboard Wifi, and Where It Ends
Delta, JetBlue, American and United each offer free onboard wifi differently. The loyalty and aircraft catches worth knowing before you board.
Flight Delay Compensation: How Much, By Airline
EU261 and UK261 fix the compensation figure by distance, not by airline. The Jet2, easyJet, TUI and Ryanair numbers, checked against official sources.
Is 1 Hour Enough to Connect at AMS, FRA, DXB, ZRH, DOH
A hub-by-hub look at whether a one-hour connection works at Amsterdam, Frankfurt, Dubai, Zurich and Doha, and what actually changes the odds.
Missed Your Connection? Who Pays for the Rebooking
A through-ticket and a self-transfer booking carry different rebooking rights when you miss a connection. The distinction that actually matters.
Self-Transfer Flights: Whose Risk if You Miss It
Two separate tickets means two separate contracts. What a missed self-transfer connection actually costs you, and where insurance helps.
Your Flight Was Cancelled — What to Do at the Airport
A cancellation announcement at the gate calls for an order of actions, not an explanation. Rebooking, care entitlements and compensation, in order.
Airport Wi-Fi vs a Travel eSIM: What Each One Is Good For
Free terminal Wi-Fi and a prepaid data eSIM solve different problems. A practical comparison of speed, security and what happens once you leave the terminal.
How Flight Delay Alerts Actually Work (2026 Guide)
What a 'delayed' push notification really means, where the data comes from, and why an app can occasionally lag the airport's own board by a few minutes.
The Layover Survival Guide: Data, Alerts and the Time
A short connection or a six-hour gap both go better with a working phone. What to check before you land, and how to use the layover instead of surviving it.
One eSIM, Several Countries: Planning Data for a Multi-Stop Trip
Three cities, two borders, one phone. How to think about data plans for a trip that does not stay in one country — and when one eSIM covers it.
The Red-Eye Arrival Checklist: Landing Tired, Not Stranded
An overnight flight lands you jet-lagged, disoriented and needing a working phone more than usual. A short pre-flight checklist for a smoother landing.